cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A007202 Crystal ball sequence for hexagonal close-packing.

Table of values

n a(n)
0 1
1 13
2 57
3 153
4 323
5 587
6 967
7 1483
8 2157
9 3009
10 4061
11 5333
12 6847
13 8623
14 10683
15 13047
16 15737
17 18773
18 22177
19 25969
20 30171
21 34803
22 39887
23 45443
24 51493
25 58057
26 65157
27 72813
28 81047
29 89879
30 99331
31 109423
32 120177
33 131613
34 143753
35 156617

List of values

[1, 13, 57, 153, 323, 587, 967, 1483, 2157, 3009, 4061, 5333, 6847, 8623, 10683, 13047, 15737, 18773, 22177, 25969, 30171, 34803, 39887, 45443, 51493, 58057, 65157, 72813, 81047, 89879, 99331, 109423, 120177, 131613, 143753, 156617]